The word “wearable” was once merely an adjective describing an article of clothing that was easy to wear. Now “wearable” refers to a mobile device that users wear on their body, and this latter wearable was a major topic of discussion last week.

The reason for this topicality is, like last September and the September before that and so on and so forth since the dawn of iPhone, Apple held one of its special look-at-all-of-our-new-things event. This year, the centerpiece of that event was perhaps the most eagerly anticipated wearable since Google Glass: the Apple Watch. Summing up the types of people that anticipate these devices can be classified into these four groups.